61367805 has 24 divisors (see below), whose sum is σ = 107147040. Its totient is φ = 32490720.

The previous prime is 61367767. The next prime is 61367809. The reversal of 61367805 is 50876316.

It is not a de Polignac number, because 61367805 - 2¹¹ = 61365757 is a prime.

It is a super-3 number, since 3×61367805³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61367805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61367809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1350 + ... + 11160.

It is an arithmetic number, because the mean of its divisors is an integer number (4464460).

Almost surely, 2^61367805 is an apocalyptic number.

It is an amenable number.

61367805 is a deficient number, since it is larger than the sum of its proper divisors (45779235).

61367805 is a wasteful number, since it uses less digits than its factorization.

61367805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9961 (or 9958 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 61367805 is about 7833.7605911848. The cubic root of 61367805 is about 394.4393156041.

The spelling of 61367805 in words is "sixty-one million, three hundred sixty-seven thousand, eight hundred five".